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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
84909171188728399 ~1987
849091723271905313712
8491033509461998 ~1986
8491319169826398 ~1985
84913372037920899 ~1988
8491391169827838 ~1985
84914871528467679 ~1987
8491543849154318 ~1987
8491583169831678 ~1985
8491643169832878 ~1985
8491741509504478 ~1986
8491753509505198 ~1986
8491817509509038 ~1986
8491933509515998 ~1986
8491943169838878 ~1985
8492039679363138 ~1987
8492111169842238 ~1985
8492303169846078 ~1985
8492417509545038 ~1986
8492521509551278 ~1986
8492831169856638 ~1985
8492917509575038 ~1986
8493311169866238 ~1985
8493671169873438 ~1985
8493841509630478 ~1986
Exp. Prime Factor Digits Year
8494019679521538 ~1987
8494231849423118 ~1987
8494439169888798 ~1985
8494573509674398 ~1986
8494711849471118 ~1987
8494943169898878 ~1985
84950411359206579 ~1987
84954492548634719 ~1988
8495561509733678 ~1986
84958871529259679 ~1987
84959694587823279 ~1989
8496431169928638 ~1985
8496479169929598 ~1985
84967131189539839 ~1987
8496731169934638 ~1985
8497037509822238 ~1986
8497169679773538 ~1987
8497217679777378 ~1987
8497259169945198 ~1985
8497283169945678 ~1985
8497451169949038 ~1985
8497451679796098
84974511529541199
8497523169950478 ~1985
8497823169956478 ~1985
Exp. Prime Factor Digits Year
8497871169957438 ~1985
8498159169963198 ~1985
8498177509890638 ~1986
8498471169969438 ~1985
84984713569357839
8498663169973278 ~1985
84986691189813679 ~1987
8498683849868318 ~1987
8498723169974478 ~1985
84987611359801779 ~1987
8498999169979998 ~1985
84991933909628799 ~1988
8499937509996238 ~1986
84999711529994799 ~1987
8500021510001278 ~1986
8500057510003438 ~1986
8500139680011138 ~1987
8500361510021678 ~1986
8500703170014078 ~1985
8500931170018638 ~1985
8501201510072078 ~1986
8501239850123918 ~1987
8501243170024878 ~1985
85014433400577219 ~1988
8501459170029198 ~1985
Exp. Prime Factor Digits Year
8502181510130878 ~1986
8502311170046238 ~1985
8502503170050078 ~1985
8502883850288318 ~1987
8503091170061838 ~1985
85032232210837999 ~1988
8503403170068078 ~1985
85034271530616879 ~1987
8503499170069998 ~1985
8503501510210078 ~1986
8503513510210798 ~1986
8503751170075038 ~1985
8503871680309698 ~1987
8503919170078398 ~1985
85039911530718399 ~1987
8504129680330338 ~1987
8504203850420318 ~1987
85043571190609999 ~1987
8504591170091838 ~1985
8505037510302238 ~1986
8505053510303198 ~1986
8505197680415778 ~1987
8505313510318798 ~1986
8505467680437378 ~1987
85056471531016479 ~1987
974
GIMPS The Prime Pages FactorDb.com
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26-05-03